3. +-2 points SPreCalc7 3.4.013 My Notes Ask Your e given. P(x) = 2x4-8x3 + 4x2

Question

3. +-2 points SPreCalc7 3.4.013 My Notes Ask Your e given. P(x) = 2x4-8x3 + 4x2 + 8x-6 -2 4 2 4 28 (a) List all possible rational zeros of P given by the Rational Zeros Theorem. (Enter your answers as a comma-separated list.) (b) From the graph, determine which of the possible rational zeros actually turn out to be zeros. (Enter your answers as a comma-separated list. Enter all answers including repetitions.) Need Help? Readt Submit Answer Save Progress Practice Another Version esc F2 F3 F5 F6 F7 F8 F9 FTO

Explanation / Answer

Constant is -6 whose factors are +-1,2,3,6

And leading coefficient is 2 whose factors are +-1,2

Possible rational zeroes are

+-(1,2,3,6)/(1,2) =-1,-2,-3,-6,-1/2,-3/2, 1,2,3,6,1/2,3/2,6

b.

From the graph

zeroes are x=-1,1,3

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